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Science 29 July 1977:
Vol. 197. no. 4302, pp. 487 - 490
DOI: 10.1126/science.197.4302.487
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Articles

Ovarian Dynamics in Heliconiine Butterflies: Programmed Senescence versus Eternal Youth

HELEN DUNLAP-PIANKA 1, CAROL L. BOGGS 1, and LAWRENCE E. GILBERT 1

1 Department of Zoology, University of Texas, Austin 78712

New oocytes are generated throughout long lives in butterflies of the genus Heliconius, which as adults feed on amino acids from pollen. In Dryas julia, a related heliconiine that feeds only on nectar and is relatively short-lived, the original oocyte supply is eventually depleted. Such divergent ovarian dynamics in closely related organisms are significant in terms of both their evolutionary basis and their physiological controls.

Submitted on January 25, 1977


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
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Science. ISSN 0036-8075 (print), 1095-9203 (online)